Power to the people!\nThis week's roundup of new accessories for the Mac include ways to make sure you have all the power and protection you need.Griffin TechnologyThe $60 Tamakwa Sleeve for MacBook Air 13" is lined with wool, has a helpful pull-strap to cinch it closed, and\u2014this is true\u2014will completely compost in six months if you bury it in your backyard. Just make sure you\u2019ve taken out your MacBook Air first.HexThis accessory maker has introduced its Cabana line of tech protection, ranging from a $40 MacBook Air sleeve to the $100 Sonic Backpack, each designed to let you carry and protect your Apple gear in nautical style.iCalcWe got a gander at the $60 iCalc Bluetooth Calculator Keypad at Macworld\/iWorld. The keypad-slash-calculator is designed to attach to the end of Apple\u2019s Bluetooth Wireless Keyboard, serving double duty as a standalone calculator and a Bluetooth numeric keypad.MCE TechnologiesNeed a slot-loading optical drive to burn DVDs and Blue-Rays from your Mac? The $150 MCE Fovea Extreme is a Blu-Ray drive and burner that connects to your Mac via USB. The $50 MCE Fovea 8X SuperDrive is a DVD and CD Recordable USB drive.OnsetThis company\u2019s new line of HOBO UX100 Data Loggers are Mac-based products ranging from $75 to to $189. They let you measure temperature and humidity inside and outside of the house from the comfort of your Mac\u2014wherever it may reside.QuickertekThe $999 Solar Juicz provides 62 watts of solar power to MacBook Pros and Airs, and it folds up for easy storage and transport. It\u2019s also powerful: Quickertek\u2019s previous top model could generate only 55 watts.SwitchEasyThe $50 Coccoon is a polycarbonite case for the 15-inch MacBook pro with Retina display. It comes in four colors and has polished edges.TwelveSouthThe $45 PlugBug World lets you charge your MacBook and an iOS device from a single outlet, at the same time. The new World version includes five different adapters, including those that will let you use the device to power your electronics in Europe.